This Wolfgang Puck Power Blender is possibly the most powerful blender ever. Even with the glass container filled to its 50-oz. capacity, this blender features 6 blades that rotate clockwise, and 4 stirring blades that rotate counter-clockwise simultaneously to ensure blades will not get stuck. 1,000-watt professional blender can crush ice without adding liquid. Patented automatic system reverses blade direction if slowing occurs . Safety-interlocking arm. Computer-controlled blender speed stays constant. Kitchen appliance features die-cast aluminum housing and a sturdy glass jar. Great for preparing fresh pesto, grinding spices, and quickly blending the smoothest icy drinks.